concordant and discordant coastlines bbc bitesize

A concordant coastline diminated by limestone in the map has the same type of rock along its length. Headlands and bays Cliffs along the coastline do not erode at the same pace. What are Mumbais social and economic opportunities? Coasts are shaped by the processes of erosion, transportation and deposition. Which of the following is NOT a major process through which waves shape the coast? Along the coastline of Dorset, there are concordant and discordant coastlines. The coast is the border between the land and the sea. Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). A combination of geological structure and sea level riseproduces the morphology of landforms aligned parallel to the coastline. These will be exam question style ranging from 4, 6 and 9 mark . These form where deposition produces unconsolidated geological structures parallel to the coastline. How has the growth of Lagos caused inequality? PBworks / Help geography revision coastal landforms 264.4K views Discover short videos related to geography revision coastal landforms on TikTok. These will be exam question style ranging from 4, 6 and 9 mark questions. An explanation of the formation of the cove can be found on the right. Take a look at our resources under Topics in the menu at the top of the page. As the wave breaks, it carries material up the beach in its swash. Water quality and pollution management in the UK. Lulworth . Explain the process of longshore drift (3) Coasts - Grade Booster. For example, this could be a joint in chalk. The discordant coastline runs from Studland Bay to Durlston Head as the geology changes from clay and sands, to chalk, to clay and . It has a discordant coastline along the east and concordant coastline along the south. How does geology affect the formation of river landforms? Concordant coasts are also known as dalmatian coasts, after the Dalmatian region of Croatia, or Pacific coasts, after the coastline of Chile in South America. high and low energy coasts, geology and sea level and how these change a coastline | GEOLOGICAL structure : which create concordant and discordant coastlines ( Dalmatian and Haff ). A hard rock type is resistant to erosion and creates a promontory whilst a softer rock type is easily eroded creating a bay. B Gradually the . If you are citizen of an European Union member nation, you may not use this service unless you are at least 16 years old. Discordant coastlines form where geology alternates between bands of hard and soft rock (see image below). What is the role of transnational companies in Nigeria? The concordant coast may take one of two landform types. The Earth has around 620,000 kilometres (390,000 mi) of coastline. Why are deserts located along the tropics? How has rainforest vegetation adapted to the climate? Discordant These are where rock strata or structures are aligned at an angle to the coastline. Select all that apply. Practice Questions: Describe the differences between a concordant and a discordant coastline (4 marks) Explain how headlands form (3 marks) Explain how coves are formed (3 marks). Paisajes. In accordance with UNCLAS, territorial waters extend 12 nautical miles from the baseline. This produces lines of narrow islands parallel to the coast formed by projecting sections of anticlines. A combination of geological structure and sea level riseproduces the morphology of landforms aligned parallel to the coastline. Historic records indicate that over 250 m of land were lost between 1600 and 1850. What is the impact of humans on the Taiga? Beara Peninsula to the north formed from more resistant Devonian Old Red Sandstone and projects 35 km into the Atlantic Ocean. As mentioned earlier, discordant coastlines form headlands and bays; on the other hand, concordant coastlines form coves. There are two special types of submerged coastlines: ria coasts and fjord coasts. Be perfectly prepared on time with an individual plan. The Jurassic Coast begins at Orcombe . Lulworth cove is a perfect horseshoe bay found on the south coast of England in the county of Dorset, on the Jurassic coastline. A concordant coastline has the same type of rock. Coastlines of Emergence. How can we increase the amount of food produced globally? At points where the Portland is weaker, erosion hasbroken through and then rapidly eroded out the softer strata laterally, creating a series of coves, e.g. Pinterest. Irrespective of whether the coastline is concordant or discordant, as wave refraction takes place around the headlands and erosion of the bay is reduced, sub-aerial weathering such as corrosion and corrasion begins to . coastal landforms, any of the relief features present along any coast, the result of a combination of processes, sediments, and the geology of the coast itself. Will you pass the quiz? Coasts are important zones in natural ecosystems, often home to a wide range of biodiversity.On land, they harbor important ecosystems such as . (bands) of hard rock and soft rock; many bays and headlands. Concordant coastlines are also called 'concordant longitudinal' or 'Pacific type' coastlines. Discordant coastline . The rock types are typically of . Safe access points to the shoreline at several points around the edge. StudySmarter is commited to creating, free, high quality explainations, opening education to all. A chalk cliff face is at the back of the cove. Concordant coastline. It is used in geography and meteorology and is usually associated with coastal erosion.It plays a large part in longshore drift as well. Test your knowledge with gamified quizzes. Large colonies of sea lions and seals sleep and breed along coastlines, entering the seas to hunt. It remains England's only natural World Heritage Site. Whenever you search in PBworks, Dokkio Sidebar (from the makers of PBworks) will run the same search in your Drive, Dropbox, OneDrive, Gmail, and Slack. Discordant coastline - Source www.bbc.co.uk As soft rock, such as glacial till, is more susceptible to erosion it erodes more rapidly than more resistant rock such as chalk. . A concordant coastline comprises bands of different rock types that run parallel to the shore. What is a concordant coastline? The Earth has approximately 620,000 kilometres (390,000mi) of coastlines and they are not just a barrier between land and water; they are also important natural ecosystems. The coast, also known as the coastline or seashore, is defined as the area where land meets the ocean, or as a line that forms the boundary between the land and the ocean or a lake. What challenges are associated with the growth of Rio? What problems are caused by global warming? Discordant coastlines occur when bands of different types of rocks run perpendicular (at 90 degrees) to the coast. 4 - the process of forming Lulworth Cove, Dorset, UK. Approximately 40% of all people live within 100km of a coastline. These waves are also known as plunging waves. . The significance of food, water and energy, An overview of global inequalities in the supply and consumption of resources, Carbon footprints, food miles and moves towards local sourcing of food. Excluding the shoreline of Poole Harbour, the Dorset coastline is 142 kilometres (88 mi) long. The Dorset Coast contains a range of landforms including Durdle Door, Lulworth Cove . Our geography videos are developed with links to various specifications including Geography GCSE, Geography IGCSE, Geography AS-level, Geography A-level, Geography IA-level, Geography National 5, Geography Higher. Each process can produce several coastal features; however, they often work together to sculpt the coastlines. The UK's coastline is 31,368 km long (if you include all the main islands). Lulworth Cove is a classic example of a 'concordant coast' - i.e. GCSE Geography Coastal landscapes in the UK learning resources for adults, children, parents and teachers. A famous example of a coastline. This is a Geography revision website for the Edexcel A-Level from 2016 (so the new syllabus), and will contain my class notes, own research and detail from revision guides and textbooks. The swash of a destructive wave is much weaker than its backwash. Concordant. Insert links to other pages or uploaded files. There are 3 main groups of coastal features which result from coastal erosion: 1. Using examples examine the differences between discordant and concordant coastlines (with diagrams) (8) Coasts - Grade Booster Using examples, examine the physical factors that can influence how fast a coastline can erode (8) Coasts - Grade Booster Examine how soft engineering could prevent coastal erosion. Coastlines with the same type of rock along its length tend to have fewer features ad are called concordant coastline. full verbatim. Find this Pin and more on KS4 Changing Landscapes of the UK by Mr Haden. https://commons.wikimedia.org/wiki/File:Lulworth.png. Consequently headlands and bays form along discordant coastlines and whilst headlands remain exposed to the force of the waves, bays are sheltered. Thus, a concordant coastline refers to a coastline that is made up of the same kinds of rocks and arranged parallel to the coast of the sea or ocean. They are more common in winterthan in the summer. Discordant and Concordant Coastlines GCSE Geography A Level Revision Coasts - YouTube 2:20 Discordant and Concordant Coastlines GCSE Geography A Level Revision Coasts TheGeographyGuy 1.66K. It's a way of having all my information in one place. This is a Geography revision website for the Edexcel A-Level from 2016 (so the new syllabus), and will contain my class notes, own research and detail from revision guides and textbooks. Assessment week 2 (WB 24th February 2020) - End of unit test - Physical landscapes of the UK. . How has the vegetation in the temperate deciduous forest adapted to the climate? Teacher. Both concordant and discordant. Erosion worsens as the waves becomes stronger. As the wave approaches the coast, it gains height and drops onto a steep beach. Emergent coastlines can pop up after tectonic activity, where the land is being pushed up by the tectonic plates. Where the rock outcrops run parallel to the sea. These Dalmatian types normally occur . In places such as Worbarrow Bay and St Oswald's Bay, lateral widening of coves led to them joining into a single bay, with remnants of the outer Portland left as a line of stumps parallel to the coast, e.g. It has a discordant coastline along the east and concordant coastline along the south. Lulworth Cove has occurred on a concordant coastline. . The coast is the border between the land and the sea. Waves move up and down there is no horizontal movement. Coastlines are very important to people because they have many uses, but mankind is also placing coastlines under severe threat. pptx, 1.58 MB. A coastline is anywhere where the land meets the water. The northern part is Eocene clay (Barton Beds), including significant deposits of Purbeck Ball Clay. What are the environmental impacts of economic development in Nigeria? Coastal Environments CPD - Erosional Landforms, Coastal Management and Fieldwork on the Holderness Coast; Coastal Environments CPD - Erosional Erosion, Coastal Management, Deposition and Fieldwork on the Holderness Coast . Coastlines, where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant coastlines. BBC Bitesize. Soft rocks like mudstone and siltstone The length of perimeter approx 2km. What is the Demographic Transition Model? Concordant coastlines tend to have fewer bays and headlands. Headlands and bays Cliffs along the coastline do not erode at the same pace. If the direction of the classification is not the same . Originally a band of resistant Portland . What are the differences in global calorie intake and food supply? When the following wave breaks, its swash will deposit more material without it being 'captured' by the backwash of the preceding wave. Concordant coastlines tend to have fewer bays and headlands. About 40% of the global population lives within 100km of a coastline. Bull's Head in St Oswald's Bay. A concordant coastline has the same type of rock along its. Where are polar and tundra environments located? Everything you need for your studies in one place. (bands) of hard rock and soft rock; many bays and headlands. It has the unenviable reputation as the number one place in Europe for coastal erosion, and in a stormy year waves from the North sea can remove between 7 and 10m of coastline. Unique access to harvest all resources within the EEZ, including fishing and fracking. the same rock types are parallel to the coastline, with alternating bands of different rock types running parallel to the coastline behind it (as opposed to a 'discordant coastline' where the rock types are perpendicular to the coastline, presenting differing rock types to the sea along the coastline). e.g. Discordant coastline occurs where bands of differing rock type run perpendicular to the coast. A concordant coastline is where the same rock runs along the length of the coast.

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